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Contra Costa Centre Nitrogen Dioxide (NO₂) Level

California, United States

Nitrogen Dioxide (NO₂)

6ppb

Good

Last Updated: 2026-08-18 06:01 (Local Time)

Map

Contra Costa Centre

Good

040

Moderate

Poor

180

Unhealthy

190

Severe

400

Hazardous

500+

What is the Current NO₂ Level?
Contra Costa Centre

The current NO₂ level in Contra Costa Centre based on the average air quality level across the city is 6 ppb, making it healthy and safe for everyone.

2.2xBelow

The current NO₂ level in Contra Costa Centre is 2.2x Below the recommended WHO guideline of 13.29 ppb.

AQI Graph

Historic Air Quality Graph of Nitrogen Dioxide (NO₂)
Contra Costa Centre

24 Hours

NO₂

Contra Costa Centre

NO₂ (ppb)

17-08-2026Time18-08-2026

Time	Contra Costa Centre
6:01am	6
6:31am	5
7:01am	6
7:31am	6
8:01am	5
8:31am	5
9:01am	7
9:31am	7
10:01am	7
10:31am	6
11:01am	6
11:31am	5
12:01pm	6
12:31pm	6
1:01pm	6
1:31pm	6
2:01pm	5
2:31pm	5
3:01pm	6
3:31pm	6
4:01pm	6
4:31pm	5
5:01pm	7
5:31pm	7
6:01pm	7
6:31pm	7
7:01pm	5
7:31pm	6
8:01pm	10
8:31pm	10
9:01pm	9
9:31pm	4
10:01pm	4
10:31pm	4
11:01pm	4
11:31pm	4
12:01am	4
12:31am	4
1:01am	4
1:31am	4
2:01am	4
2:31am	4
3:01am	4
3:31am	4
4:01am	4
4:31am	5
5:01am	5
5:31am	5
6:01am	6

Min. NO₂9:31pm

Max. NO₂8:01pm

Want air quality data?

Do you know NO2 can create impaired atmospheric visibility can increase atmospheric heat? It happens as its concentrations absorb the visible radiation in the atmosphere.

Uncovering the Sources of Nitrogen Dioxide (NO₂): Where Does It Come From?

Explosives and welding

Release during high-temperature processes.

Lighting

Emissions from certain types of lighting.

Power-generating plants

Emissions from fossil fuels burning for electricity.

Road traffic

Overall contributions from vehicles on the road.

Motor vehicles

Exhaust gases from cars and trucks.

Short-Term NO₂ Exposure Impacts

Coughing

Regular cough due to airways irritations.

Wheezing

More whistling sound while breathing,

Difficulty in breathing

Shortness of breath and reduced lung function.

Reduce smelling ability

Decreased sense of smell due to irritation.

Why you should care about Nitrogen Dioxide (NO₂)?

Know More About NO₂ Sensor

Air Quality FAQs
at Contra Costa Centre

Frequently Asked Questions About Air Quality

1. What is the current NO₂ level in Contra Costa Centre?

The current real-time NO₂ level in Contra Costa Centre is 6ppb (Good). This was last updated 2026-08-18 06:01 (Local Time).

2. When was the best NO₂ level in Contra Costa Centre in the last 24 hours?

The best NO₂ level was 4 ppb (Good) at 9:31 PM, Aug 17, 2026 (Local Time) during the last 24 hours.

3. When was the worst NO₂ level in Contra Costa Centre in the last 24 hours?

The worst NO₂ level was 10 ppb (Good) at 8:01 PM, Aug 17, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of NO₂ levels in Contra Costa Centre during last 24 hours?

The NO₂ levels in Contra Costa Centre have been fluctuating throughout the last 24 hours. The levels have increased by highest 10 ppb at 8:01 PM, Aug 17, 2026 (Local Time), lowest 4 ppb at 9:31 PM, Aug 17, 2026 (Local Time).

5. What actions are recommended as per the current NO₂ level in Contra Costa Centre?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.